Dutch instrument maker L. F. Dellebarre, of Leyden, designed and built this monocular microscope sometime around 1800. The original model, from which our 3-D Studio Max drawing is derived, resides in the Billings Microscope Collection at the National Museum of Health and Medicine at Walter Reed Army Hospital in Washington, D. C.

A wooden box serves as the base for this brass microscope, which is supported by a thick round pillar having a rack and pinion mechanism to translate the body tube. Attached to the front of the body tube is a large Lieberkühn reflector, and the back holds an eye lens consisting of four lenses and a field lens. A single mirror is attached to the wooden base with a gimbal, as is a fixture for the stage forceps. The circular stage is held by a curved arm that fits over the pillar.

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